| Mativ Holdings Inc. GA | Manufacturing | 1 | $100,000 | - |
| Mativ Holdings LLC DE | Manufacturing | 0 | - | D |
| Matix Corporation of America TN | Manufacturing | 0 | - | F |
| Matlet/Group RI | - | 0 | - | - |
| Matonee Inc. CA | Professional & Technical Services | 4 | $276,327 | - |
| Matonee Inc. d/b/a Aptos Labs CA | Professional & Technical Services | 1 | $225,000 | - |
| Matonee Inc. d/b/a Aptos Labs CA | - | 2 | $230,884 | - |
| Matrex, a Division of Leggett & Platt Components Company, Inc. COVID19 NC | - | 0 | - | - |
| Matriarch MN | - | 0 | - | - |
| Matrice.AI Inc. CA | Professional & Technical Services | 2 | $109,941 | - |
| Matrices AI Inc. CA | Professional & Technical Services | 1 | $250,000 | - |
| Matrix MD | - | 0 | - | - |
| Matrix Design Group, Inc. CO | Professional & Technical Services | 1 | $106,870 | - |
| Matrix Medical Network (Community Care Health Network, Inc.) NY | - | 0 | - | - |
| Matrix Medical Network (Votiva Health, LLC) NY | - | 0 | - | - |
| Matrix North American Construction IL | Construction | 0 | - | A |
| Matrix Payment Services LLC NJ | Professional & Technical Services | 1 | $117,000 | - |
| Matrix Personnel Solutions Inc NJ | Healthcare & Social Assistance | 0 | - | D |
| Matrix Precise, INC. CA | Professional & Technical Services | 9 | $140,000 | - |
| Matrix Providers INC CO | Healthcare & Social Assistance | 0 | - | A |
| Matrix Racquet Club, LLC AR | Arts & Entertainment | 1 | $65,645 | - |
| Matrix Service WA | Manufacturing | 0 | - | A |
| Matrix Structural Engineers TX | Professional & Technical Services | 1 | $120,000 | - |
| Matrix Surfaces Inc CA | Construction | 0 | - | F |
| Matrix Systems Group, Inc. IL | Professional & Technical Services | 1 | $99,840 | - |
| Matrix Tech Solutions Inc TX | Professional & Technical Services | 7 | $84,094 | - |
| MatrixCare, Inc. MN | Information & Media | 9 | $112,000 | - |
| Matroid, Inc. CA | - | 1 | $165,000 | - |
| Mats Inc. MA | Retail Trade | 1 | $175,000 | - |
| Matson Navigation Company CA | Transportation & Warehousing | 10 | $157,934 | - |
| Matson Navigation Company Of Alaska LLC Anchorage AK | Transportation & Warehousing | 0 | - | F |
| Matson Terminals, Inc. HI | Transportation & Warehousing | 0 | - | F |
| Matsu Ohio OH | - | 0 | - | - |
| Matsui Nursery, Inc CA | Agriculture & Forestry | 0 | - | F |
| Matta Dental Care PLC IA | Healthcare & Social Assistance | 1 | $135,200 | - |
| Mattel PA | Transportation & Warehousing | 0 | - | A |
| Mattel HQ, Inc. CA | Manufacturing | 17 | $152,381 | A |
| Mattel HQ, Inc. dba Mattel CA | - | 0 | - | - |
| mattel inc CA | Transportation & Warehousing | 0 | - | A |
| Mattel Sales Corp. CA | Wholesale Trade | 7 | $128,359 | A |
| Mattel, Inc. NY | - | 0 | - | - |
| Matter Intelligence Inc. CA | Professional & Technical Services | 2 | $160,000 | - |
| Matter Of Practice INC CA | - | 1 | $86,571 | - |
| Matter RE LLC NY | Real Estate | 1 | $75,000 | - |
| Matterport, Inc. CA | Professional & Technical Services | 3 | $177,171 | - |
| Matterworks, Inc. MA | Professional & Technical Services | 3 | $130,000 | - |
| Mattex Service Company, Inc. IL | Construction | 0 | - | F |
| Matthew Bender and Co Inc. GA | - | 1 | $122,884 | - |
| Matthew Danneker CA | Healthcare & Social Assistance | 1 | $93,600 | - |
| Matthew R. Young, D.D.S., Inc. CA | Healthcare & Social Assistance | 3 | $62,400 | - |